[dts] [PATCH V1]tests/shutdown_api: fix can't create vf

[Zeng Xiaoxiao <xiaoxiaox.zeng@intel.com>]

*.need insmod igb_uio when drivername is vfio-pci.
*.destroy vm after vf case finish.

Signed-off-by: Zeng Xiaoxiao <xiaoxiaox.zeng@intel.com>
---
 tests/TestSuite_shutdown_api.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/tests/TestSuite_shutdown_api.py b/tests/TestSuite_shutdown_api.py
index 11d451b..ffee0f2 100644
--- a/tests/TestSuite_shutdown_api.py
+++ b/tests/TestSuite_shutdown_api.py
@@ -260,6 +260,8 @@ class TestShutdownApi(TestCase):
             self.vf_assign_method = 'vfio-pci'
             self.dut.send_expect('modprobe vfio-pci', '#')
 
+        self.dut.send_expect('modprobe uio', '#')
+        self.dut.send_expect("insmod ./" + self.target + "/kmod/igb_uio.ko", "#", 60)
         self.bind_nic_driver(self.dut_ports[:1], driver="igb_uio")
         self.used_dut_port = self.dut_ports[0]
         tester_port = self.tester.get_local_port(self.used_dut_port)
@@ -296,6 +298,7 @@ class TestShutdownApi(TestCase):
 
         self.vm_env_done = True
         self.dut_testpmd.quit()
+        self.bind_nic_driver(self.dut_ports[:1], driver=self.vf_driver)
 
     def destroy_vm_env(self):
         if not self.vm_env_done:
@@ -539,6 +542,7 @@ class TestShutdownApi(TestCase):
         self.dut_testpmd.quit()
         time.sleep(3)
         self.vm0_dut.kill_all()
+        self.destroy_vm_env()
 
     def test_enable_disablejumbo(self):
         """
@@ -764,5 +768,6 @@ class TestShutdownApi(TestCase):
         """
         Run after each test suite.
         """
+        if self.vm_env_done:
+            self.destroy_vm_env()
         self.dut.kill_all()
-        self.destroy_vm_env()
-- 
1.8.3.1